When illuminated by a light source, matte surfaces display diffuse light reflection. The brightness of diffuse light depends on the distance from the light source and the angle between the surface ...

Set the diffuse color of an object for each individual fragment. Using an image wrapped around an object that we can index for unique color values per fragment. In lighted scenes this is usually ...

Abstract: Despite the high biometric performance, finger-vein recognition systems are vulnerable to presentation attacks (aka., spoofing attacks). In this paper, we present a new and robust approach ...